USN-3686-1: file vulnerabilities

file vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Ubuntu 18.04 LTS

Ubuntu 17.10

Ubuntu 16.04 LTS

Ubuntu 14.04 LTS

Summary

Several security issues were fixed in file.

Software Description

file - Tool to determine file types

Details

Alexander Cherepanov discovered that file incorrectly handled a large
number of notes. An attacker could use this issue to cause a denial of
service. This issue only affected Ubuntu 14.04 LTS. (CVE-2014-9620)

Alexander Cherepanov discovered that file incorrectly handled certain long
strings. An attacker could use this issue to cause a denial of service.
This issue only affected Ubuntu 14.04 LTS. (CVE-2014-9621)

Alexander Cherepanov discovered that file incorrectly handled certain
malformed ELF files. An attacker could use this issue to cause a denial of
service, or possibly execute arbitrary code. This issue only affected
Ubuntu 14.04 LTS. (CVE-2014-9653)

It was discovered that file incorrectly handled certain magic files. An
attacker could use this issue with a specially crafted magic file to cause
a denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 14.04 LTS. (CVE-2015-8865)

It was discovered that file incorrectly handled certain malformed ELF
files. An attacker could use this issue to cause a denial of service.
(CVE-2018-10360)

Update instructions

The problem can be corrected by updating your system to the following package versions: